Ability to configure a timeout for instances to become ready
Tests for config
Better error messaging if instance doesn't become ready
add support for ssh_run action

This enables vagrant ssh -c <command>
Update CHANGELOG
Add support for iam instance profiles.

With iam instance profiles, you no longer need to explicitly provide
credentials. Temporary ones are generated on the server. Setting the
use_iam_profile variable in config will have it use those credentials
instead
Update CHANGELOG
Update README
update readme for 1.2
Update requirement for Vagrant to be 1.2.0
v0.2.0
Remove SSH settings
Get rid of all references to SSH settings
v0.2.1